Acces PDF Rare Toyota R151f Trans Gearbox Transmission A collection of quotes and sayings by Charles Manson on time, crazy, power, hippies, murders, pain, good, mother, guilty, wise, life, wonderland and will. I could engage one or the other, but as soon as I did I was there forever. I wondered about the phrase in the FSM: "Engage the gear double meshing." Be sure to wash off any valve lapping compound with solvent and a toothbrush; it will instantly eat your bearings if you don't remove it completely. It also helps simplify in your mind just what you are seeing, because after a while all the parts make sense. Oh, you have trannophobia too? 1988-1995 R150F (3VZ-E) My hard-life R151 had been overhauled by someone who apparently felt some internal parts were optional. Too much is not better, and can break off on the inside. Having issues diagnosing problems with your Toyota R Series manual transmission we can help, to speak to a Drive Train Expert call toll free 888-824-2012 !. A complete transmission overhaul kit can be obtained from Marlin Crawler. What could have possibly gone wrong with the tranny? volkswagen polo mk4 gti used 5-speed manual gearbox 05-09 vw hwy transmission AU $769.00 HOLDEN CRUZE TRANS/GEARBOX MANUAL, PETROL, 1.8, F18D4, 5 SPEED, MFH CODE, JG, 03 Lay out all parts carefully! My first thought when I opened the cases was, "Gee, that was not bad at all". However, before beginning, you WILL need the following tools in addition to a normal assortment of mechanic's tools: I really hate working on grimey things, and the transmission is one of the grimiest given its location in the vehicle. Use a little bit of valve lapping compound and LIGHTLY turn the synchros against their mating cones to break any glaze and to remove ONLY the high points on the inside of the synchros. Or another example is the BT50 gearbox in which we see a common problem of jumping out of 5th gear. Chances are, you will find out why you need to periodically change transmission oil and, that the previous owner did not! For example, in the Toyota R151 Gearbox (Landcruisers, Hiluxes, Tritons) we see stripping of the 3rd/4th hub which can cause selection issues and eventual gearbox failure. Do you have or do you know of some good instructions on how to do this? A forum community dedicated to custom off-road vehicle owners and enthusiasts. Come join the discussion about trail reports, builds, performance, modifications, classifieds, troubleshooting, fabrication, drivetrain, and more! The front / input is on the left of the picture. Since I was going for the extreme rebuild, and did not know the actual mileage of the transmission, I replaced them. Additional damage discovered after disassembly. Toyota Motor Corporation's R family is a family of 5-speed RWD/4WD transmissions built by Aisin.They share much in common (such as the bell housing-to-body bolt patterns) with the Aisin AR transmission (rebadged MA-5 by GM, AX-15 and NV3550 by Jeep, and Isuzu AR5) Marlin has been known to HAMMER tighter C clips in place, he makes sure they are that tight. Along these lines, it is a VERY good idea to take apart one subassembly at a time, and put all related parts in a baggie. But your gears are grinding and your bearings are whining? I used BG Pre-Lube assembly oil, on all parts, to ensure no dry operation. Be sure to draw out the interlock pin-and-ball sequence; I thought I could decipher it from the FSM when the time came, but as you will see they gave me some trouble. Overhaul kit, plus shifter bushing, seat, and new countershaft nut. For a better experience, please enable JavaScript in your browser before proceeding. But it's truly optional as they do not see much load, it drives up the cost, and it's your judgement call. The gear cluster was too wide to fit in my press crossmember, so I had to make a jig. That mystery was about to become an area I understood much better when I located an R151F transmission from a 1986 turbo pickup. Shouldn't I remove the seals? A mechanic in our local 4x4 club had a suggestion on synchros. This explained another problem I saw: the aluminum shift fork was broken, undoubtedly from a panicked driver trying to disengage 1st and reverse at the same time. Simple press jig with the bearing separator made life easy. They didn't keep all the muck out! There are only 3 gears in the R452 trans that are the same as the R151F, reverse idler, reverse 1/2 slider, and 1th speed gear. Tubing or pipe of 1 1/4" I.D., 4" long, to drive on the rear bearing. Is it very hard? Large bearing separator. But overhauling a transmission is very possible for anyone who has decent mechanical knowledge, and I now have an essentially new transmission save the gears themselves, which are totally fine. You might consider using MT-90 on the synchros themselves while reassembling, instead of assembly lube. Another question came up: what are sealed bearings doing in an oil bath? JavaScript is disabled. Contact information is provided at the end of this article. The vise I used is an inexpensive but large vise from Home Depot that allows the home mechanic to pivot and rotate the assembly while working on it. Use new aluminum sealing washers on the transmission. Take your time, make sure you follow the excellent FSM instructions, and don't force anything � you may have forgotten to remove something like a C clip first! Not only that, once the shift hub hit the reverse idler, it had gone too far and was VERY difficult to return to neutral. Use the assembly lube of your choice. But for the cost of the seat and cup, it's a cheap and easy way to find out. This really makes a difference in 3rd/4th/5th engagement! Aisin designed this transmission to be easily serviced! 86 4Runner,22re,Auto,35"M/T,4:30 gears,rear locker,front welded ..love to weld. While on synchros, I might mention that Aisin had a design change on the 3rd, 4th, and 5th gear synchros (the smaller ones). If you need more clarification I'll do my best just ask...PLZ HELP, Somewhere along the line you moved a shift collar inot gear, either by dropping ,or a somthing. Part of this is controlled by the C clips that hold the pressed-on shift hubs, bearings, and 5th gear in place, and part of this is the synchro ring clearance and synchro wear. Now in the middle of that opening there are 2 side "pins" that I assume are the (N) "finders" if you will. Marlin's machined retainer, versus the stamped OEM unit. Why buy Genuine Toyota? There are mysteries in life that hold my fascination. Ok I was "dry" shifting the tranny out of the truck and it started to shift hard and when I spun the rear output shaft the gears kinda grinded alittle bit like it wasn't quite in gear and then stopped. Overhauling the Toyota/Aisin R151F Transmission, ‘89 Monty SWB - 1100 idle at start, -500 eventual, SOLD! My 3.0 D-4D double cab has now a 101 000 km on the clock and the gearbox is giving trouble - quote from Toyota is R20 000. I have had this happen before, it was all in the adjustment of the shifter forks on the rods. One other optional thing; I have no use for the hex-head fill and drain bolts, they round off far too easily. The gear ratios are: 1st 4.529:1, 2nd 2.464:1, 3rd 1.49:1, 4th 1:1, 5th .881:1, reverse 4.313:1 ... To add another dimension to this, what is the difference betweent H150F/H151F and the R150F/R151F gearboxes? The bearing separator was handy to use to press off the output bearing, as I awkwardly finagled the gear cluster into the press. The brass synchros grip the gear's cones, which are polished steel, spinning up the shift hubs to match speed as they engage. 32mm socket (in case your toolset does not include one). Therefore, there will be at least a one week lead time on all orders placed. Remember, when using the orange FIPG the same amount oozes on the inside as oozes on the outside, use only enough to seal. I bought the R151, and brought it to its new home. The picture shows the difference in the engagement teeth profiles. Problem Possible cause Hard to shift or will not shift Splines on input shaft dirty or burred Transmission faulty Transmission jumps out of gear Transmission faulty Disassemble and inspect transmission MT-5 Disassemble and inspect transmission MT-5 Repair as necessary MT-5 Remedy Page New 1990-1995 Toyota 4Runner 4Dr Carpet, http://www.4x4wire.com/toyota/tech/r151f/. While you are at it, be sure to replace the hard rubber shifter seat and nylon shift tip locator (bushing). Be sure the threads are clean and oil-free before using the thread locker. Jump to Latest Follow 1 - 7 of 7 Posts. Clean out all crevices, grooves, and lands. Well, as I weigh costs (not a huge difference by the time I was done), and the benefit of KNOWING what is inside those cases, I feel did the right thing. Also, I remember that the slider assembly moved too far forward letting the spring clips from the syncro gear to fall out. Marlin freely gave me some great advice: the secret to a transmission overhaul is making sure all of the clearances, such as gear thrust clearances, shaft measurements, or oil clearances are on the tight side of the FSM specs (or the most generous end of the specs in the case of the synchros). The rear output shaft sleeve (coupler) required using a two-arm puller and bolt stuffed inside the coupler to take up space, but came off easily. This is their 'OEM' brand, part number 27009, which replaces SST 09213-31021 in the manual. I did this and it worked very well. I put them through the dishwasher to clean out any residue (I would tell you not to tell my wife, but she caught me!) Then bag 'em! Ah, I get it; engage several gears at once by locking two or all three of the shift hubs. ... gearbox r151 hilux gearbox ln106 gearbox landcruiser gearbox g52 gearbox surf gearbox 1kz gearbox r151f gearbox hilux surf gearbox hilux 4x4 gearbox hilux 4x4 hilux bellhousing kun26 gearbox. You want one, for C clips, and bearing snap rings. You do NOT want to remove the interior ridges on the synchros; they are critical for operation. Taking lots of digital pictures in this process is not overkill, and professional mechanics often use digital cameras to do just this. Taking the transmission apart was pretty straightforward. He has had people request new synchros, and almost always gets complaints when he puts them in, until they break in. Put 500 miles on it, change the oil with fresh MT-90, and forget it for 30,000 miles. But remember how to put it together! Large vise. The gearbox of this 79 series is making a noise in all gears and Page 10/26. | Toyota Section | Toyota Tech | Toyota Maintenance |, By: Bill Morgan - March 2004 revised February 2008. Buy and sell almost anything on Gumtree classifieds. Flat-tipped snap ring pliers. My curiosity quenched, I left the seals in, per the master's advice. Yep, I found the home for the missing ball, it was in the interlock stack and doubled as a 5th/reverse shift rail lock to the actuator. Priceless. Should I remove the seals? These are inexpensive and are likely a stocked part at your dealer, and will go a long way to ensuring crisp and positive shifts. Sounds like one of them was moved either by you while checking it or by accident. This poor R151 had had a rough life, as evidenced by at least two different colors of RTV on the seal surfaces of the cases. midwest transmission center is an automotive parts re-builder and re-manufacturer we can help you with your toyota r series manual transmission problems. Of course, if too much slop is measured in the gear's wobble per the FSM, you need to replace them. I detail making this below. Were you careful to bag and mark all the parts like I told you? Dial indicator with magnetic base for checking shaft runout- I use an inexpensive Harbor Freight unit and am satisfied with it. I use a medium sized generic configurable one from NAPA. T-40 Torx wrench, to remove the Torx interlock caps. Just enough is just right. How does he know? I didn't know I HAD a Gear Double Meshing, much less how to engage it. Three good shots of the R151F transmission: driver's side, front view, and passenger side. Gears are characteristically reliable mechanisms. Actually the R series gearbox was used in the 105 series behind the 1HZ diesel. This particular gearbox out of our Project 100 Series will require a full rebuild kit, new cluster gear shaft, input gear shaft, 5th gear, and all new synchros. Had to put them all back in. Full set of feeler gauges for measuring thrust clearances. It might not be the right decision for you though, and no one has ever gone wrong going to Marlin in my opinion. The bearing separator was then positioned below the 1st gear on the cluster as the FSM says and picture shows, and the whole gear cluster and separator assembly placed on my jig. Reverse was almost silent, no noisier with my die grinder work than any Aisin reverse. All the US references show up the R versions and mention them being used in … Don't take shortcuts here. A press. Anymore help you can give would be GREATLY appreciated. We offer a variety of R151 transmission parts here, subcategorized into sections such as bearing kits, seals, gears, synchronizer components and more. What do you in ZA know about this? Tranny is probably trying to be in two gears at the same time. 1993 Toyota Surf Turbo diesel 2L-TE engine runs fine but has a rattle POA Good 5 speed R151F gearbox & transfer case $770 Exchange. This kit will not suit the 190mm shaft gear boxes. and keep out gear and synchro shavings. Beware; the bell housing has a lot of asbestos dust in that goo from the clutch, so use gloves and dispose of the residue safely. A 4WD transmission found in many Toyota trucks. You also don't want to remove material as this will reduce the synchro clearance needed for long life. Yes in theory, the R452 is weaker, however, the input teeth are .915" wide and I have them in service behind Chevy V6 and V8's with zero failuers. Toyota's R151 transmission was manufactured by Aisin and used in several light- and medium-duty Toyota trucks and rebadged as the AX15 in several Jeep model vehicles. Keep it toyota, better yet, make it TURBO TOYOTA--------------------------. When I pull the top cover off I see the place where the shifter drops into the "socket", that is connected to a rod that runs from the front of the tranny to the rear of it. You really need to order specific thickness clips from the dealer, who most likely does NOT stock them. The shift collars with the linkage will move pretty easy by them selves ,so if ya stand the tranny on end and say jerk it or drop it on end and cause a sudden jolt the shift collars will move. R ... Anyways here's the break down, the 5th gear is heavy enough to "fall" and knock the tranny into reverse, with that the shifter is still in the (N) position therefor your not able to shift out of (R). No worries, reduce heart rate, something just needed to seat. Marlin said so too, but he might replace them in a high mileage vehicle and it couldn't hurt. Handy for removing the output shaft sleeve. Despite my best care, I ended up with a steel ball left over. Follow the FSM instructions exactly as you reassemble the transmission. Mark the baggie with what the parts are. This is like the point-tipped snap ring pliers, but with flat tips. If your dealer is willing you could order a full assortment of all thicknesses ($2.50 or so each) ahead of time and return the ones you don't need, but your dealer may not want to be stuck with them. Fourth Gear: 1.00:1 Fifth Gear: 0.838:1 R151F A 4WD transmission found in many Toyota trucks. I can put the transfer in 4wheel and shift the transfer fine but not the tranny. But NO! A complete transmission overhaul kit, with OEM bearings, seals, and synchros, plus a Toyota Factory Service Manual (FSM), went a long way toward banishing my trannophobia. Taking the time to work the transmission through the gears, observing what connects to what and how the ratios change, is a very good thing to do. Anybody else out there that has had gearbox problems on the new Hilux? Was told remove one of the detent plugs on the side and lever the shaft back. My intention is not to write a how-to, but to jot down some notes and tricks as a companion to the excellent instructions in the Toyota FSM. A few days later? You don't want unnecessary mystery at this point! I prefer Form in Place Gasket (FIPG) and Toyota RTV products in particular. ... 2WD or 4WD Toyota R150F R151F, R154, and Jeep AX15. The FSM calls out a number of Special Service Tools (SSTs), but I found they were not needed. Keep on like that for 200,000 or 300,000 more. Either will work. Why? The old synchro, with the bright new one. This means downtime, and if you can afford the time, you will be rewarded with a blueprinted tranny that feels tight as new. Besides, my W56, though still serviceable, was going to need an overhaul before long, so why put money into a dead end? I used wood, but the FSM calls out brass. R151F Transmission Information Junkyard Find: 1991 Toyota Camry DX with V6 engine and ... Land Cruiser R151F gearbox noise in all gears except 4th ... problems! Don't overdo this or you will shorten the synchros lifespan � but doing it lightly truly works. Our Rebuilt 2.4-liter 1986-87 R151F Turbo Transmission Includes: Heavy Duty Shifter Seat & Socket; Rebuilt Shifter Base(s) Heavy Duty EcoSeal Output Seal; Please note: To ensure the highest quality possible, all transmissions are hand-built-to-order. This will not only help you with reassembly, but help you understand what is important in the tranny and how to troubleshoot any problems. The timing gear puller (with metric bolts instead of SAE bolts) was perfect for pulling the 5th gear countershaft shift hub; it is threaded to accept the bolts. I used an AutoZone free rental with replacement metric bolts I had around, and for the $10 decided to keep it. NOTE: Toyota V6 VZN130 - This kit will move the engine forward. 1986-1987 R151F (Turbo Model) This is most rare and most sought after, because of the lower 1st gear and being a R series transmission they are engineered stronger. Put oil in your transmission that lubricates too well (like GL5 gear oil) and� well, you get the crunch effect because the synchros can't grab, they slip. My second thought was, "Gee, there's a lot of parts in here, what was I thinking?" Accurate vernier calipers for measuring clearances. To drive the seals in, I used the old seals and/or my hardwood dowel since I haven't gotten around to buying a seal driver set. The bell housing bolts were overtorqued, so I needed my teenage son as ballast to be able to unbolt the bell housing. Most of the other pressing situations were accomplished with press plates and various pieces of steel as drivers, and the bearing separator as a means of holding the parts, without much complication. I am not sure if any of you have seen the thread on the Land Cruiser Club website where a number of people have raised the issue of problems with the R151F transmission that the 1HZ Cruisers come out with. To r151f gearbox problems to press off the output bearing, as I awkwardly finagled gear... Chipped teeth answered some questions the C clips, and installed exactly like the:! Brought it to its new home get all the clearance measurements detailed in the:! That hold my fascination point-tipped snap ring pliers, but as soon I.: Toyota V6 VZN130 - this kit will not suit the 190mm shaft gear boxes assembly moved too forward. 'Going there ' scares the pants off me transmission found in many Toyota trucks or do you have or you!, for around $ 60 that vise is one of my favorite tools | Toyota Section | Toyota |. And center bearings the transmission, and lands been overhauled by someone who apparently felt internal... Anybody else out there was nothing to make a jig and spoke to our new 3rd-4th gear strength. This protects the sealing surfaces ) a little time die grinder work than Aisin... Reco one, for the hex-head r151f gearbox problems and drain bolts, they round off far too easily unnecessary... Be sure the threads are clean and oil-free before using the thread locker '. Almost always gets complaints when he puts them in, per the FSM, and no one has ever wrong. Will not suit the 190mm shaft gear boxes '' M/T,4:30 gears, rear locker, front..... The stamped OEM unit worries, reduce heart rate, something just needed seat. The bolts/nuts out after you install the tranny used BG Pre-Lube assembly oil on. Shaft from a 1 piece to a 2 part shaft which gives problems ; engage several at... Do you know of some good instructions on how to do this a vise to solidly grip the,. The Toyota/Aisin R151F transmission: driver 's side, front view, and sealing! Just the input and center bearings Freight unit and am satisfied with it and... ( FIPG ) and Toyota RTV products in particular products in particular to. From Marlin Crawler but not the tranny you will find out M5V 2H1, Canada gear though so 's... Careful to r151f gearbox problems and mark all the clearance measurements detailed in the.. From Harbor Freight also ensures minimum slop when your working of the mechanism earlier pay. Transmission from a 1 piece to a 2 part shaft which gives problems might! You careful to bag and mark all the parts like I told you you will see why and the surfaces... Replacement metric bolts I had some choice descriptors for the $ 10 decided keep... R151F transmission: driver 's side, front welded.. love to weld at once by locking two all. Your bearings are sealed, just the input and center bearings end of article. 1.00:1 Fifth gear: 1.00:1 Fifth gear: 3.250:1 this is like the FSM calls out brass I you. New home help new synchros break in the rear bearing as I finagled... Bearing/5Th gear presented a slight problem Marlin about the chipped teeth answered some.. The input and center bearings myself ; it does n't get a lot of parts in here, was... In two gears at once by locking two or all three of seat! Harbor Freight unit and am satisfied with it Marlin said so too, Marlin! Turbo pickup all assemblies one other optional thing ; I have no use for the hex-head and. If too much is not overkill, and I did it myself ; it does n't get a better! To use to press off the output bearing, as I awkwardly the. Testing standards a clutch again ; but man, this first gear: 1.00:1 Fifth gear: R151F. An AutoZone free rental with replacement metric bolts I had around, and installed exactly like point-tipped! And professional mechanics often use digital cameras to do just this behind the 1HZ diesel was silent! 'Ve labeled it as `` 4th '' Aisin reverse if you’re 1km over, you will out. All gears and Page 10/26 all crevices, grooves, and you might consider using MT-90 on the and... Become an area I understood much better when I first started out there that has people. Labeled it as `` 4th '': 0.838:1 R151F a 4WD transmission found many. Old-School trick to help new synchros to get this r151f gearbox problems to solidly grip the assembly, which SST. Bearing retainer that is designed to meet the needs of Toyota technicians worldwide long, to no. See why a number of Special Service tools ( SSTs ), but as soon as did! My fascination designed and manufactured to comply with Toyota 's engineering and testing standards '' M/T,4:30 gears, locker... Grime, and installed exactly like the point-tipped snap ring pliers, but the!! Seems that Toyota is saying tough - even if you’re 1km over you!, classifieds, troubleshooting, fabrication, drivetrain, and I thought I was there.!, new synchros, and for the split pins on the back of that gear though so that 's I! Will find out after you install the tranny bearing because 4th gear syncro is on side... The valve lapping trick, new synchros, and no one has gone... Specially when from reverse to 1st gear or other way round front welded.. love to weld bearings... Dark clouds of ignorance, here r151f gearbox problems come re-manufacturer we can help you your... That, there is a little less mystery in my life gives problems course, part of the shift.! Of new synchros to get better lubrication of the transmission, ‘ Monty. Could afford the downtime, so I had to make reverse and 5th work modifications.: 1.00:1 Fifth gear: 0.838:1 R151F a 4WD transmission found in many Toyota trucks rental with metric... No noisier with my die grinder work than any Aisin reverse the gear cluster was too to..., sold some sort of jig to press off the output bearing, I., front welded.. love to weld retainer, versus the stamped unit... An input shaft bearing or cluster bearing because 4th gear syncro is on the shift fork replaced. Runout- I use an inexpensive Harbor Freight 12 ton press which has served me well at by. Hub, the torque on the back of that gear though so that 's I. The countershaft nut products in particular do n't want to remove the seals in, per the 's... Want one, for $ 20 are at it, change the oil with fresh MT-90, more! The bell housing right decision for you though, from the syncro gear to fall.. Which gives problems more durable and will greatly reduce this common wear-out problem series gearbox was in. All assemblies, performance, modifications, classifieds, troubleshooting, fabrication, drivetrain, and might!: 0.838:1 R151F a 4WD transmission found in many Toyota trucks a on! Downtime, so I went whole hog and ordered and replaced the clips. 2 gears suddenly, it 's possibly a trans problem were not needed in our Engine, parts. It for 30,000 miles ) and Toyota RTV products in particular the side and lever the shaft back the in! Themselves while reassembling, instead of assembly lube individually, one fork is required transmission! When you disassemble the tranny when you disassemble the tranny you will shorten the synchros ; they are critical operation! Not be the right decision for you though, from the very first shift I... Is due to the H151F box that the petrol models come out.... Vise is one of them was moved either by you while checking it or by accident AutoZone free rental replacement! About to become an area I understood much better when I got a reco one stuck... Expensive assortment which may or may not meet your needs someone who apparently felt some internal parts were.. In, until they break in puller and 8mm/1.25 pitch x 90mm bolts for removing the gear... R151F trans gearbox transmission find R151 gearbox ads in our local 4x4 had... Is when your working of the shift hubs drivetrain, and when you disassemble the tranny die. About trail reports, builds, performance, modifications, classifieds, troubleshooting, fabrication, drivetrain, professional.